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Articles 39 registres trobats  inicianterior16 - 25següentfinal  anar al registre: La cerca s'ha fet en 0.01 segons. 
16.
13 p, 237.7 KB Status of alkenone paleothermometer calibration : report from Working Group 3 / Prahl, F. (Oregon State University. College of Oceanic and Atmospheric Sciences) ; Herbert, T. D. (Brown University. Department of Geological Sciences) ; Brassell, S. C. (Indiana University. Biogeochemical Laboratories) ; Ohkouchi, N. (Woods Hole Oceanographic Institution) ; Pagani, M. (University of California. Earth Sciences Department) ; Rosell Melé, Antoni (University of Durham. Department of Geography) ; Repeta, D. (Woods Hole Oceanographic Institution) ; Sikes, E. (University of Auckland. SEMS/Geology)
The alkenone unsaturation index, U37K', has now proven its worth as a tool for paleothermometry. U37K' measured in most modern sediments throughout the World Ocean can be translated using established calibrations into realistic, seemingly reliable estimates of mean annual temperature at the sea surface (SST). [...]
2000 - 10.1029/2000GC000058
Geochemistry, geophysics, geosystems, Vol.1, issue 11 (Nov. 2000) , p. 1-13  
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17.
28 p, 531.3 KB Precision of the current methods to measure the alkenone proxy UK'37 and absolute alkenone abundance in sediments : results of an interlaboratory comparison study / Rosell Melé, Antoni (University of Durham. Department of Geography) ; Bard, Edouard (Université d'Aix-Marseille III. Centre Européen de Recherche et d'Enseignement de Géosciences de l'Environnement) ; Emeis, K.-C. (Institut für Ostseeforschung Warnemünde (Warnemünde, Alemanya)) ; Grimalt, Joan (Institut de Diagnosi Ambiental i Estudis de l'Aigua) ; Müller, P. (Universität Bremen. Fachbereich Geowissenschaften) ; Schneider, R. (Universität Bremen. Fachbereich Geowissenschaften) ; Bouloubassi, I. (Université Pierre et Marie Curie. Laboratoire de Physique et Chimie Marines) ; Epstein, B. (University of Rhode Island. Graduate School of Oceanography) ; Fahl, K. (Alfred-Wegener-Institut für Polar- und Meeresforschung) ; Fluegge, A. (Alfred-Wegener-Institut für Polar- und Meeresforschung) ; Freeman, K. (Pennsylvania State University. Department of Geosciences) ; Goñi, Miguel (University of South Carolina. Department of Geological Sciences) ; Güntner, U. (University of Oldenburg. Institut für Chemie und Biologie des Meeres) ; Hartz, D. (University of South Carolina. Department of Geological Sciences) ; Hellebust, S. (University of Newcastle. Department Fossil Fuels and Environmental Geochemistry) ; Herbert, T. (Brown University. Department of Geological Sciences) ; Ikehara, M. (Hokkaido University. Institute Low Temperature Science) ; Ishiwatari, R. (Tokyo Metropolitan University. Department of Chemistry) ; Kawamura, K. (Hokkaido University. Institute Low Temperature Science) ; Kenig, F. (University of Illinois at Chicago. Department of Geological Sciences) ; de Leeuw, J. (Netherlands Institute for Sea Research. Department of Organic Geochemistry and Toxicology) ; Lehman, S. (University of Colorado. Insitute of Arctic and Alpine Research) ; Mejanelle, L. (Université Pierre et Marie Curie. Laboratoire de Physique et Chimie Marines) ; Ohkouchi, N. (Hokkaido University. Institute Low Temperature Science) ; Pancost, R. D. (Pennsylvania State University. Department of Geosciences) ; Pelejero, Carles (Institut de Diagnosi Ambiental i Estudis de l'Aigua) ; Prahl, F. (Oregon State University. College of Oceanic and Atmospheric Sciences) ; Quinn, J. (University of Rhode Island. Graduate School of Oceanography) ; Rontani, J. -F. (Centre d'Océanologie de Marseille) ; Rostek, F. (Université d'Aix-Marseille III. Centre Européen de Recherche et d'Enseignement de Géosciences de l'Environnement) ; Rullkötter, J. (Carl von Ossietzky Universität Oldenburg. Institut für Chemie und Biologie des Meeres) ; Sachs, J. (University of Colorado. Insitute of Arctic and Alpine Research) ; Blanz, T. (Institut für Meereskunde - Meereschemie (Kiel, Alemanya)) ; Sawada, K. (University of Tsukuba (Japó). Department of Chemistry) ; Schulz-Bull, D. (Institut für Meereskunde - Meereschemie (Kiel, Alemanya)) ; Sikes, E. (University of Auckland. School of Environmental and Marine Sciences) ; Sonzogni, C. (Université d'Aix-Marseille III. Centre Européen de Recherche et d'Enseignement de Géosciences de l'Environnement) ; Ternois, Y. (Hokkaido University. Institute Low Temperature Science) ; Versteegh, G. (Netherlands Institute for Sea Research. Department of Organic Geochemistry and Toxicology) ; Volkman, J. K. (CSIRO Marine Research (Hobart, Austràlia)) ; Wakeham, S. (Skidaway Institute of Oceanography (Savannah, Estats Units d'Amèrica))
Measurements of the UK'37 index and the absolute abundance of alkenones in marine sediments are increasingly used in paleoceanographic research as proxies of past sea surface temperature and haptophyte (mainly coccolith-bearing species) primary productivity, respectively. [...]
2001 - 10.1029/2000GC000141
Geochemistry, geophysics, geosystems, Vol. 2 (July 2001) , p. 1-28  
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18.
23 p, 779.8 KB An interlaboratory study of TEX86 and BIT analysis of sediments, extracts and standard mixture / Schouten, Stefan (NIOZ Royal Netherlands Institute for Sea Research. Department of Marine Organic Biogeochemistry) ; Hopmans, Ellen C. (NIOZ Royal Netherlands Institute for Sea Research. Department of Marine Organic Biogeochemistry) ; Rosell Melé, Antoni (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals) ; Pearson, Ann (Harvard University. Department of Earth and Planetary Sciences) ; Adam, Pierre (Institut de Chimie de Strasbourg) ; Bauersachs, Thorsten (Christian-Albrechts-University (Kiel, Alemanya). Institute of Geosciences) ; Bard, Edouard (Aix-Marseille Université) ; Bernasconi, Stefano M. (ETH Zürich. Geologisches Institut) ; Bianchi, Thomas S. (Texas A&M University. Department of Oceanography) ; Brocks, Jochen J. (The Australian National University. Research School of Earth Sciences) ; Truxal Carlson, Laura (University of Washington. School of Oceanography) ; Castañeda, Isla S. (University of Massachusetts Amherst. Department of Geosciences) ; Derenne, Sylvie (Universite Pierre et Marie Curie) ; Dogrul Selver, Ayça (University of Manchester. School of Earth, Atmospheric and Environmental Sciences) ; Dutta, Koushik (University of Minnesota. Large Lakes Observatory) ; Eglinton, Timothy (ETH Zürich) ; Fosse, Celine (Chimie ParisTech) ; Galy, Valier (Woods Hole Oceanographic Institution) ; Grice, Kliti (Curtin University (Perth, Austràlia). Department of Chemistry) ; Hinrichs, Kai-Uwe (Universität Bremen. MARUM Center for Marine Environmental Sciences) ; Huang, Yongsong (Brown University. Department of Geological Sciences) ; Huguet, Arnaud (Universite Pierre et Marie Curie) ; Huguet, Carme (Huguet Micheo) (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals) ; Hurley, Sarah (Harvard University. Department of Earth and Planetary Sciences) ; Ingalls, Anitra (University of Washington. School of Oceanography) ; Jia, Guodong (Chinese Academy of Sciences. Guangzhou Institute of Geochemistry) ; Keely, Brendan (University of York. Department of Chemistry) ; Knappy, Chris (University of York. Department of Chemistry) ; Kondo, Miyuki (National Institute for Environmental Studies (Tsukuba, Japó)) ; Krishnan, Srinath (Yale University. Department of Geology and Geophysics) ; Lincoln, Sara (Massachusetts Institute of Technology (MIT)) ; Lipp, Julius (Universität Bremen. MARUM Center for Marine Environmental Sciences) ; Mangelsdorf, Kai (GFZ German Research Centre for Geosciences (Potsdam, Alemanya)) ; Martınez-Garcıa, Alfredo (ETH Zürich. Geologisches Institut) ; Menot, Guillemette (Aix-Marseille Université) ; Mets, Anchelique (NIOZ Royal Netherlands Institute for Sea Research) ; Mollenhauer, Gesine (Alfred Wegener Institute (Bremerhaven, Alemanya)) ; Ohkouchi, Naohiko (Japan Agency for Marine-Earth Science and Technology (JAMSTEC)) ; Ossebaar, Jort (NIOZ Royal Netherlands Institute for Sea Research) ; Pagani, Mark (Yale University. Department of Geology and Geophysics) ; Pancost, Richard D. (Bristol Biogeochemistry Research Centre (Bristol, Regne Unit)) ; Pearson, Emma J. (Newcastle University. School of Geography, Politics & Sociology) ; Peterse, Francien (ETH Zürich) ; Reichart, Gert-Jan (Utrecht University. Department of Earth Sciences) ; Schaeffer, Philippe (Institut de Chimie de Strasbourg) ; Schmitt, Gaby (Institut de Chimie de Strasbourg) ; Schwark, Lorenz (Christian-Albrechts-University (Kiel, Alemanya). Institute of Geosciences) ; Shah, Sunita R. (Woods Hole Oceanographic Institution) ; Smith, Richard W. (Texas A&M University. Department of Oceanography) ; Smittenberg, Rienk H. (Stockholm University. Department of Geological Sciences) ; Summons, Roger E. (Massachusetts Institute of Technology (MIT)) ; Takano, Yoshinori (Japan Agency for Marine-Earth Science and Technology (JAMSTEC)) ; Talbot, Helen M. (Newcastle University. School of Geography, Politics & Sociology) ; Taylor, Kyle W. R. (Bristol Biogeochemistry Research Centre (Bristol, Regne Unit)) ; Tarozo, Rafael (Brown University. Department of Geological Sciences) ; Uchida, Masao (National Institute for Environmental Studies (Japó). Center for Environmental Measurement and Analysis) ; van Dongen, Bart E. (University of Manchester. Williamson Research Centre for Molecular Environmental Science) ; Van Mooy, Benjamin A. S. (Woods Hole Oceanographic Institution) ; Wang, Jinxiang (Tongji University (Xina). The School of Ocean and Earth Sciences) ; Warren, Courtney (Yale University. Department of Geology and Geophysics) ; Weijers, Johan W. H. (Utrecht University. Department of Earth Sciences) ; Werne, Josef P. (University of Minnesota) ; Woltering, Martijn (Curtin University (Perth, Austràlia). Department of Chemistry) ; Xie, Shucheng (China University of Geosciences. State Key Lab of Biogeology and Environmental Geology) ; Yamamoto, Masanobu (Hokkaido University (Japó). Faculty of Environmental Earth Science) ; Yang, Huan (China University of Geosciences. State Key Lab of Biogeology and Environmental Geology) ; Zhang, Chuanlun L. (Tongji University (Xina). The School of Ocean and Earth Sciences) ; Zhang, Yige (Yale University. Department of Geology and Geophysics) ; Zhao, Meixun (Ocean University of China) ; Sinninghe Damste, Jaap S. (NIOZ Royal Netherlands Institute for Sea Research)
Two commonly used proxies based on the distribution of glycerol dialkyl glycerol tetraethers (GDGTs) are the TEX86 (TetraEther indeX of 86 carbon atoms) paleothermometer for sea surface temperature reconstructions and the BIT (Branched Isoprenoid Tetraether) index for reconstructing soil organic matter input to the ocean. [...]
2013 - 10.1002/2013GC004904
Geochemistry, geophysics, geosystems, Vol. 14, issue 12 (Dec. 2013) , p. 5263-5285  
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19.
15 p, 1.1 MB Sea surface temperature variability in the Pacific sector of the Southern Ocean over the past 700 kyr / Ling Ho, Sze (Alfred-Wegener-Institut für Polar- und Meeresforschung) ; Rosell Melé, Antoni (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals) ; Mollenhaurer, Gesine (Alfred-Wegener-Institut für Polar- und Meeresforschung) ; Lamy, Frank (Alfred-Wegener-Institut für Polar- und Meeresforschung) ; Martínez García, Alfredo (Eidgenössische Technische Hochschule Zürich. Geologische Institut) ; Mohtadi, Mahyar (MARUM Center for Marine Environmental Sciences) ; Gersonde, Rainer (Alfred-Wegener-Institut für Polar- und Meeresforschung) ; Hebbeln, Dierk (MARUM Center for Marine Environmental Sciences) ; Nuñez Ricardo, Samuel (Universidad de Concepción. Departamento de Zoología) ; Tiedemann, Ralf (Alfred-Wegener-Institut für Polar- und Meeresforschung)
In spite of the important role played by the Southern Ocean in global climate, the few existing paleoceanographic records in the east Pacific sector do not extend beyond one glacial-interglacial cycle, hindering circumpolar comparison of past sea surface temperature (SST) evolution in the Southern Ocean. [...]
2012 - 10.1029/2012PA002317
Paleoceanography, Vol. 27, Issue 4 (December 2012) , article PA002317  
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20.
12 p, 4.7 MB Time-transgressive North Atlantic productivity changes upon Northern Hemisphere glaciation / Lawrence, K. T. (Lafayette College, Pennsylvania. Department of Geology and Environmental Geosciences) ; Sigman, D. M. (Princeton University. Department of Geosciences) ; Herbert, T. D. (Brown University. Department of Geological Sciences) ; Riihimaki, C. A. (Princeton University. Council on Science and Technology) ; Bolton, C. T. (Universidad de Oviedo. Departamento de Geología) ; Rosell Melé, Antoni (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals) ; Martínez García, Alfredo (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals) ; Haug, Gerald H (ETH Zürich. Geologisches Institut)
Marine biological export productivity declined in high-latitude regions in the North Pacific and Southern Ocean 2. 7 million years ago, in parallel with the intensification of Northern Hemisphere glaciation. [...]
2013 - 10.1002/2013PA002546
Paleoceanography, Vol. 28 Issue 4 (December 2013) , p. 740-751  
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21.
13 p, 535.1 KB An interlaboratory TEX₈₆ and BIT analysis using high-performance liquid chromatography-mass spectrometry / Schouten, Stefan (Koninklijk Nederlands Instituut voor Onderzoek der Zee) ; Hopmans, Ellen C. (Koninklijk Nederlands Instituut voor Onderzoek der Zee) ; Meer, Jaap van der (Koninklijk Nederlands Instituut voor Onderzoek der Zee) ; Mets, Anchelique (Koninklijk Nederlands Instituut voor Onderzoek der Zee) ; Bard, Edouard (Centre de Recherche et d'Enseignement de Géosciences de l'Environnement) ; Diefendorf, Aaron (Texas A & M University. Department of Oceanography) ; Escala Pascual, Marina (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals) ; Freeman, Katharine H. (Pennsylvania State University. Department of Geosciences) ; Furukawa, Yoshihiro (Tōhoku Daigaku. Department of Earth and Planetary Materials Science) ; Huguet, Carme (Huguet Micheo) (University of Washington. School of Oceanography) ; Ingalls, Anitra (University of Washington. School of Oceanography) ; Ménot-Combes, Guillemette (Centre de Recherche et d'Enseignement de Géosciences de l'Environnement) ; Nederbragt, Alexandra J. (University College, London. Department of Earth Sciences) ; Oba, Masahiro (Tōhoku Daigaku. Department of Earth and Planetary Materials Science) ; Pearson, Ann (Harvard University. Department of Earth and Planetary Sciences) ; Pearson, Emma J. (University of Newcastle upon Tyne. School of Geography, Politics and Sociology) ; Rosell Melé, Antoni (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals) ; Schaeffer, Philippe (Université de Strasbourg I. Institut de Chimie de Strasbourg) ; Shah, Sunita R. (Harvard University. Department of Earth and Planetary Sciences) ; Shanahan, Timothy M. (Woods Hole Oceanographic Institution) ; Smith, Richard W. (Texas A & M University. Department of Oceanography) ; Smittenberg, Rienk (Eidgenössische Technische Hochschule Zürich. Geology Department) ; Talbot, Helen M. (University of Newcastle upon Tyne. School of Civil Engineering and Geosciences) ; Uchida, Masao (Kokuritsu Kankyō Kenkyūjo. Environmental Chemistry Division) ; Van Mooy, Benjamin A. S. (Woods Hole Oceanographic Institution) ; Yamamoto, Masanobu (Hokkaidō Daigaku. Faculty of Environmental Earth Science) ; Zhang, Zhaohui (University of Massachusetts at Amherst. Department of Geosciences) ; Sinninghe Damsté, Jaap S. (Koninklijk Nederlands Instituut voor Onderzoek der Zee)
Recently, two new proxies based on the distribution of glycerol dialkyl glycerol tetraethers (GDGTs) were proposed, i. e. , the TEX₈₆ proxy for sea surface temperature reconstructions and the BIT index for reconstructing soil organic matter input to the ocean. [...]
2009 - 10.1029/2008GC002221
Geochemistry, geophysics, geosystems, Vol. 10, Issue 3 (March 2009)  
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22.
9 p, 551.3 KB Constraints in the application of the Branched and Isoprenoid Tetraether index as a terrestrial input proxy / Fietz, Susanne (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals) ; Martínez García, Alfredo (ETH Zürich. Geologisches Institut) ; Huguet, Carme (Huguet Micheo) (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals) ; Rueda Ferrer, Gemma (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals) ; Rosell Melé, Antoni (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals)
Determination of the relative inputs of aquatic autochthonous and terrestrial allochthonous organic matter into marine and lacustrine environments is essential to understanding the global carbon budget. [...]
2011 - 10.1029/2011JC007062
Journal of geophysical research, Vol. 116, Issue 10 (Oct. 2011)  
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20 p, 1.5 MB Modelling nitrogen and phosphorus loads in a Mediterranean river catchment (La Tordera, NE Spain) / Caille, Frédérique (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals) ; Riera, Joan Lluís (Universitat de Barcelona. Departament d'Ecologia) ; Rosell Melé, Antoni (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals)
Human activities have resulted in increased nutrient levels in many rivers all over Europe. Sustainable management of river basins demands an assessment of the causes and consequences of human alteration of nutrient flows, together with an evaluation of management options. [...]
2012 - 10.5194/hess-16-2417-2012
Hydrology and earth system sciences, Vol. 16 (2012) , p. 2417-2435  
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24.
13 p, 759.7 KB Participatory scenario development for integrated assessment of nutrient flows in a Catalan river catchment / Caille, Frédérique (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals) ; Riera, Joan Lluís (Universitat de Barcelona. Departament d'Ecologia) ; Rodríguez-Labajos, Beatriz (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals) ; Middelkoop, H. (Rijksuniversiteit te Utrecht. Department of Physical Geography) ; Rosell Melé, Antoni (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals)
Rivers in developed regions are under significant stress due to nutrient enrichment generated mainly by human activities. Excess nitrogen and phosphorus emissions are the product of complex dynamic systems influenced by various factors such as demographic, socio-economic and technological development. [...]
2007 - 10.5194/hess-11-1843-2007
Hydrology and earth system sciences, Vol. 11 (2007) , p. 1843-1855  
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25.
22 p, 1.2 MB Alkenones, alkenoates, and organic matter in coastal environments of NW Scotland: Assessment of potential application for sea level reconstruction / Bendle, James (University of Glasgow. Department of Geographical and Earth Sciences) ; Rosell Melé, Antoni (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals) ; Cox, Nicholas J. (University of Durham. Department of Geography) ; Shennan, Ian (University of Durham. Department of Geography)
Reconstruction of late Quaternary sea level history in areas of glacioisostatic uplift often relies on sediment archives from coastal isolation basins, natural coastal rock depressions previously isolated from or connected to the sea at different times. [...]
2009 - 10.1029/2009GC002603
Geochemistry, geophysics, geosystems, Vol. 10, Issue 12 (Dec. 2009)  
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Articles : 39 registres trobats   inicianterior16 - 25següentfinal  anar al registre:
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